Finding the Third Proportional to 742,116 and 1,589,172

Step by Step Solution

1. Step 1: Write the proportion equation
   742,116 : 1,589,172 = 1,589,172 : x
2. Step 2: Convert to fraction form
   742,116/1,589,172 = 1,589,172/x
3. Step 3: Cross multiply
   742,116x = 1,589,172 × 1,589,172
4. Step 4: Simplify right side
   742,116x = 2,525,467,645,584
5. Step 5: Solve for x
   x = 2,525,467,645,584/742,116
6. Step 6: Final answer
   x = 3,403,063.19